Date: Mon, 27 Nov 2000 16:10:49 -0800 (PST) From: FengYue <fengyue@bluerose.windmoon.nu> To: Alfred Perlstein <bright@wintelcom.net> Cc: David Petrou <dpetrou@cs.cmu.edu>, freebsd-hackers@FreeBSD.ORG Subject: Re: thread model questions Message-ID: <Pine.BSF.4.21.0011271609430.31540-100000@shell.unixbox.com> In-Reply-To: <20001127150916.R8051@fw.wintelcom.net>
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On Mon, 27 Nov 2000, Alfred Perlstein wrote: ->* David Petrou <dpetrou@cs.cmu.edu> [001127 14:41] wrote: ->> thanks for the quick reply... ->> ->> > > 3. if preemptive, does that occur at user-level, or by the kernel? ->> > > (and how costly is it?) ->> > ->> > It's a mix, and very cheap. I thought it's preemptive purely at user-level since the threads are scheduled by thread lib at user-level only. No? To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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